Cup holder



FIG. 1 is a perspective view of a cup holder showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a right side elevational view thereof.

The ornamental design for a cup holder, as shown and described.